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Performance Verification
AM700 Audio Measurement Set Service Manual
4–13
Figure 4–8: Advanced analog controls display
12
3
XLR Female
BNC
BNC shield
Center conductor
Use a BNC coaxial cable. Cut off one end and connect to the XLR female.
+
Figure 4–9: Generator frequency check cable
4. Set the generator frequency to 10 kHz and check the AM700 generator
frequency accuracy is within ±0.01% (9999 to 10001) using the frequency
counter.
5. Disconnect the frequency counter and reconnect the RMS meter test cable to
the Analog A generator output.
6. Set the frequency and amplitude to the values shown in Table 4–3 and check
the amplitude accuracy with the RMS meter. Ch A and Ch B (Analog A and
Analog B) amplitude reading should be within ±0.3 dB (≈3%) of each other.